1184 Customer Reviews Lifelong learners do not wait for permission to level up, and the Microsoft Developing Mobile Apps exam is this year's level. TestkingPDF backs your move with 55 verified 70-357 practice questions, checked by experts who watch every tiny exam change.
Microsoft 70-357 Exam Overview:
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Developing Mobile Apps |
| Exam Number: | 70-357 |
| Available Languages: | Spanish, German, French, Chinese (Simplified), Japanese, Korean, English |
| Real Exam Qty: | Approximately 40–60 |
| Exam Duration: | 150 minutes |
| Related Certifications: | MCSA: Web Applications |
| Passing Score: | 700 (on a 1000 scale) |
| Exam Format: | Multiple response, Drag and drop, Case studies, Multiple choice |
| Certificate Validity Period: | Retired (no longer available; certification was historically valid for 2 years) |
| Exam Price: | USD 165 (historical, varies by region and date) |
| Recommended Training: | Microsoft Learn (Legacy exam training resources) UWP and Windows App Development learning paths |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Dashboard |
| Sample Questions: |  |
| Exam Way: | Online proctored or authorized test center (historically via Pearson VUE) |
| Pre Condition: | No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/70-357/ |
Microsoft 70-357 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Debugging, testing, and performance optimization | - Implement testing strategies - Debug application issues - Optimize performance and responsiveness |
| Topic 2: Design and develop mobile apps | - Select appropriate app models and frameworks - Design application UI/UX for mobile devices - Plan application architecture |
| Topic 3: Implement application functionality | - Integrate APIs and services - Develop client-side logic - Implement navigation and app lifecycle management |
| Topic 4: Deployment and security | - Ensure application security best practices - Package and deploy mobile applications - Implement authentication and authorization |
| Topic 5: Data storage and management | - Use local storage mechanisms - Work with remote data sources |
Everything Candidates Ask About Microsoft Developing Mobile Apps
Microsoft Developing Mobile Apps is an official Microsoft certification exam, registered under the code 70-357. Passing it awards the MCSA: Web Applications (legacy / retired) certification, a credential at the Associate level. It also connects to MCSA: Web Applications. Successfully passing matters to every candidate because the credential keeps working for your career long after exam day.
You will answer Approximately 40–60 questions within 150 minutes on the Microsoft Developing Mobile Apps exam. That combination rewards candidates who practiced under realistic timing, so make timed sessions in the TestkingPDF engine a daily habit; one to two hours a day is enough when every minute rehearses the real thing.
Microsoft Developing Mobile Apps requires 700 (on a 1000 scale) to pass, and official registration costs USD 165 (historical, varies by region and date). Since every retake charges USD 165 (historical, varies by region and date) again, diligent daily practice is the cheapest strategy available. Let your TestkingPDF practice scores confirm readiness across several consecutive sessions before you book.
Microsoft recommends the following training for Microsoft Developing Mobile Apps candidates.
Training broadens your technology knowledge; the 55 practice questions in the TestkingPDF 70-357 package sharpen it into exam-day scoring ability.
Sign-up for Microsoft Developing Mobile Apps runs through the official channels below.
One logistics note: the exam is delivered Online proctored or authorized test center (historically via Pearson VUE).
No strict prerequisites; intended for developers with experience in HTML5, JavaScript, and mobile application development concepts.
Vendor requirements do change, so verify the current conditions before registering on the official exam page.
The Microsoft Developing Mobile Apps blueprint covers 5 domains, with the largest being Deployment and security, Data storage and management, and Implement application functionality. The full topic list is above on this page; it tells you exactly where your daily hour or two earns the most marks.
Yes, download the free demo of the Microsoft Developing Mobile Apps questions before deciding, and read former customers' comments for an independent verdict. After purchase, new versions download free for one year, and when your product expires you can extend the update service at a 50% discount. Returning customers also enjoy bountiful discounts on future exams.
Your purchase carries a 100% money-back guarantee with defined conditions. Take the Microsoft Developing Mobile Apps exam within 60 days of purchase; if you fail, you may claim a full refund, provided the exam matches your product. Attempts within 3 days of purchase are ineligible, as are downloaded-but-unused products, free materials, and expired orders; the candidate name must match the payer name. Submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and claims are processed within 7 days. Alternatively, exchange for two other exam products of equal value, free, with your original purchase keeping its update service.
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Microsoft Developing Mobile Apps Sample Questions:
Drag and Drop Question
You need to add code at line IM14 to meet the user interface requirement.
How should you complete the relevant code segment? To answer, drag the appropriate code segments to the correct location or locations. Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Correct Answer:
Hotspot Question
You are developing a Universal Windows Platform (UWP) app that stores credentials by using the Credential locker service.
You need to securely retrieve credentials for the current user.
How should you complete the method? To answer, select the appropriate code segment from each list in the answer area.
Correct Answer:
You need to create a storyboard for a Universal Windows Platform (UWP) app that you are designing.
For which application does Microsoft provide design templates for UWP apps?
- A. Microsoft Publisher
- B. Adobe Photoshop
- C. Microsoft Sway
- D. Microsoft PowerPoint
Correct Answer: D 🗳️
Drag and Drop Question
You are developing a Universal Windows Platform (UWP) app that needs to run on multiple types of devices.
The app must detect whether a device has a physical camera button.
For devices that have a physical camera button, you need to ensure that the app continues to function.
How should you complete the code? To answer, drag the appropriate code segments to the correct location or locations.
Each code segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Correct Answer:
Drag and Drop Question
You are developing a Universal Windows Platform (UWP) app. Users can drag and drop images on the screen to share them with then friends.
You need to implement drag and drop for the app. Users must be able to drop images onto a blue rectangle that the app displays.
How should you complete the relevant markup? To answer, drag the appropriate markup segments to the correct targets. Each markup segment may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Correct Answer:
Shirley -
Valid 70-357 real exam questions from TestkingPDF.